CVE-2021-33744

MediumCVSS 5.3/10Last modified Aug 10, 2026

Description

Windows Secure Kernel Mode Security Feature Bypass Vulnerability

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1679
MicrosoftWindows 10 Version 2004>= 10.0.0, < 10.0.19041.1110
MicrosoftWindows 10 Version 21H1>= 10.0.0, < 10.0.19043.1110
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows Server version 2004>= 10.0.0, < 10.0.19041.1110
MicrosoftWindows Server version 20H2>= 10.0.0, < 10.0.19042.1110

References

Timeline

Published
Jul 14, 2021
Last modified
Aug 10, 2026
NVD status
Modified

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CVE-2021-33744: Medium severity, CVSS 5.3 | Vulnix